linux-kernel - Re: linux-next: build failure after merge of the akpm tree

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Message-ID: <20121218101020.GL9887@suse.de>
Date:	Tue, 18 Dec 2012 10:10:21 +0000
From:	Mel Gorman <mgorman@...e.de>
To:	Stephen Rothwell <sfr@...b.auug.org.au>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	linux-next@...r.kernel.org, linux-kernel@...r.kernel.org,
	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...e.hu>, "H. Peter Anvin" <hpa@...or.com>,
	Peter Zijlstra <peterz@...radead.org>,
	"Kirill A. Shutemov" <kirill.shutemov@...ux.intel.com>,
	Linus <torvalds@...ux-foundation.org>
Subject: Re: linux-next: build failure after merge of the akpm tree

On Tue, Dec 18, 2012 at 01:29:07PM +1100, Stephen Rothwell wrote:
> Hi Andrew,
> 
> After merging the akpm tree, today's linux-next build (x86_64
> allmodconfig) failed like this:
> 
> mm/migrate.c: In function 'migrate_misplaced_transhuge_page':
> mm/migrate.c:1738:2: error: incompatible type for argument 3 of 'update_mmu_cache_pmd'
> arch/x86/include/asm/pgtable.h:792:20: note: expected 'struct pmd_t *' but argument is of type 'pmd_t'
> 
> Caused by commit b32967ff101a ("mm: numa: Add THP migration for the NUMA
> working set scanning fault case") from Linus' tree interacting with
> commit "x86: convert update_mmu_cache() and update_mmu_cache_pmd() to
> functions".
> 
> This was previously reported as against the tip tree, but the fix patch
> (which was applied to the tip tree) did not survive the rewrite that went
> into Linus' tree.  Just a little annoyed :-(
> 

Sorry about that Stephen, I should have caught the fix in the tip tree
and picked it up. Thanks for fixing it a second time.

-- 
Mel Gorman
SUSE Labs
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